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Emergency Message Dissemination in Two Dimensional Space Using Percolation Phenomenon

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Executive Summary

Vehicular Ad-hoc NETworks (VANETs) are an important part of Intelligent Transport System (ITS) which is used to avoid traffic congestion, improve traffic efficiency and to prevent accidents for enhancing road safety. In this paper, a modified Time and Location Critical (M-TLC) framework for dissemination of emergency messages is proposed. In specific, when an accident (Point-Of-Interest or POI location) or certain road condition is observed, the vehicles near the accident site needs detailed information immediately to react properly by changing lanes or slowing down due to short distance from the POI.

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